1 Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
2 Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Division of Dermatology, University of Ottawa and The Ottawa Hospital, Ottawa, Ontario, Canada.
3 Epiphany Dermatology, Dallas, Texas; Baylor University Medical Center, Dallas, Texas; Department of Dermatology, University of Texas Southwestern, Dallas, Texas; Texas A&M College of Medicine, Dallas, Texas. Electronic address: stan.tolkachjov@gmail.com.